The configure scripts were regenerated with 2.69 for the newlib-4.2.0
release in 484d2ebf8d825b28af47b8ee88cd845f1d2c7c6e, but the aclocal
files were not. Do that now to avoid confusion between the two as to
which version of autoconf was used.
* libc/include/sys/config.h: Dynamic reentrancy for or1k sys targets
* libc/sys/or1k/: New system for or1k baremetal
* libc/sys/or1k/Makefile.am: New file
* libc/sys/or1k/Makefile.in: New file
* libc/sys/or1k/aclocal.m4: New file
* libc/sys/or1k/configure.in: New file
* libc/sys/or1k/configure: New file
* libc/sys/or1k/getreent.S: New file
* libc/sys/or1k/mlock.S: New file
* libc/sys/or1k/or1k-asm.S: New file
